Leviticus 25:34-36

New Century Version

³⁴ Also the fields and pastures around the Levites’ cities cannot be sold, because those fields belong to the Levites forever.

Rules for Slave Owners

³⁵ “‘If anyone from your country becomes too poor to support himself, help him to live among you as you would a stranger or foreigner. ³⁶ Do not charge him any interest on money you loan to him, but respect your God; let the poor live among you.